The sequencer shown operates whenever 
A) input A is false.
B) input A is true.
C) the PLC is in the run mode.
D) the PLC is in the program mode.
Correct Answer:
Verified
Q37: Shift registers cannot be used to control
Q38: For the Sequencer Output (SQO) instruction shown,
Q39: For the SQO instruction shown, the _
Q40: Sequencer switches are used whenever:
A)a counter function
Q41: When the sequencer instruction shown is at
Q43: The sequencer shown advances its position whenever:
Q44: For the sequencer instruction shown, all unmasked
Q45: A single sequencer instruction may have an
Q46: When the sequencer instruction shown is at
Q47: When using a time-driven sequencer, the sequencer
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